The climate in march in Delhi is dry; it does not rain often
The climate is hot in this location in the month of March. Temperatures are up to 33°C. The seasonal minimum is 23°C. Thus, the mean temperature average on this month of March in Delhi is 28°C.

With perfect weather, this month is recommended to go to this city in India Weather
Note that seasonal normals in contrast with those observed in Delhi in the month of March with a maximum record of 42°C in 2010 and a minimum record of 13°C in 2011. You can expect to have about 22 days with temperatures up to 30°C, or 71 of time.

Day length in Delhi in march is 11:58. Sunrise is at 06:31 and sets at 18:29.

Average temperature – 28°C
Highest temperature –33°C  
Lowest temperature 23°C  
Humidity –43%  
Visibility –10.06km  
Cloud cover- 10%  
UV index- 7  
Daily sunshine hours 12  

Source https://www.whereandwhen.net/